Bärbel Hönisch on Reconstructing Climate in the Distant Past

Bärbel Hönisch uses the skeletal remains of foraminifera as her raw material in reconstructing ocean and atmospheric conditions that prevailed in past geological periods.  Trace chemical constituents in these creatures can record the temperature of the ocean and carbon dioxide of the atmosphere.  Climate models being applied to the present day are being validated by what she is discovering about the planet’s past evolution.

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